Sharpie Neon Markers deliver brilliant, vivid color in natural light with marks that turn fluorescent in black light. Ink leaves a permanent mark on most surfaces. Great for use on paper, plastic, glass, wood and leather. Durable, fine tip produces bold, detailed lines. Certified AP nontoxic ink is water-resistant, smear-resistant and fade-resistant. Neon colors include yellow, pink, orange, green and blue.